scripted-diff: use self.sync_* methods

-BEGIN VERIFY SCRIPT-
sed -i -e 's/sync_blocks(self.nodes)/self.sync_blocks()/g'     $(git grep -l 'sync_blocks(self.nodes)'   ./test/functional/*.py)
sed -i -e 's/sync_mempools(self.nodes)/self.sync_mempools()/g' $(git grep -l 'sync_mempools(self.nodes)' ./test/functional/*.py)

sed -i -e 's/  sync_blocks(/  self.sync_blocks(/g'     $(git grep -l sync_blocks   ./test/functional/*.py)
sed -i -e 's/  sync_mempools(/  self.sync_mempools(/g' $(git grep -l sync_mempools ./test/functional/*.py)
-END VERIFY SCRIPT-

1 files changed, 2 insertions, 2 deletions

diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 904ddac428..53f3a4c84d 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -41,7 +41,7 @@ class PSBTTest(BitcoinTestFramework):
         online_node.importaddress(offline_addr, "", False)
         mining_node.sendtoaddress(address=offline_addr, amount=1.0)
         mining_node.generate(nblocks=1)
-        sync_blocks([mining_node, online_node])
+        self.sync_blocks([mining_node, online_node])
 
         # Construct an unsigned PSBT on the online node (who doesn't know the output is Segwit, so will include a non-witness UTXO)
         utxos = online_node.listunspent(addresses=[offline_addr])
@@ -56,7 +56,7 @@ class PSBTTest(BitcoinTestFramework):
         # Make sure we can mine the resulting transaction
         txid = mining_node.sendrawtransaction(mining_node.finalizepsbt(signed_psbt)["hex"])
         mining_node.generate(1)
-        sync_blocks([mining_node, online_node])
+        self.sync_blocks([mining_node, online_node])
         assert_equal(online_node.gettxout(txid,0)["confirmations"], 1)
 
         # Reconnect